Method of constructing fiber shipping cases



Feb. 26 1924. R 15,775

H. R. BLISS METHOD OF CONSTRUCTING FIBER SHIPPING CASES Original FiledSept. 24. 1 921 6 Sheets-Sheet 1 I N V EN TOR. #e/aez-z $31255 ATTORNEY.

Feb. 26,1924. l .Re.115,7'?5

H. R. BLISS METHOD OF CONS' IIRIJGTINGI F'IBER SHIPPING CASES OriginalFiled Sent. 24. 1921 6 Sheets-Sheet 2 INKENTOR.

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Feb. 264 1924.

H. R. Buss METHOD OF cous'rnuc'rme FIB'ER SHIPPING CASES Original FiledSept. 24 1921 i e sheets-shed :s

j INVENTOR. #ererf Feb. 26-, 1924.

H. R. BLISS Mtg-mono? cous'rnuc'rmd FIBER SHIPPING CASES Original FiledSept. 24 1921 4:6 Sheets-Sheet. 4

r I INVENTORJ %!6/2 P2372156 Feb. 26 1924.

H. R. BLISS METHOD of couswnuc'rme 'FIBER SHIPPING CASES Original Filedsent.- 24. 1921 GSheets-Sheet s v INVENTOR. #Q'ierf-PfiZzss ATTORNEY.

Feb. 26 1924. Re. 15,775

. H. R., BLISS v METHOD OF cons'rnuc'rine FIB E R SHIPPINQ CASESOriginal Filed Sept. 24. 1921 s Sheets-Sheet a INVENTORQ ML/7 XZLMATTORNEY.

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NITED STATES PATENT orrlcs.

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ori in nine. 1,430,151,.mua September as, 1922, sum in. 562,967,,1i1edSeptember 24, 1921. Application A tor reislne fled Ianuary 8, Serial Fe.884,099.

posite ends of the box but alsothe method To all whom it may concern: i,j 1 7 Be it known that Hnnsnn'r Buss, a citizen of the United States,residing at Niagara Falls, in the county of Nia are. and State ofNew'York, has invente certain new and useful Im rovements in Methods ofConstructing Fi r Shipping Cases, of

whichfthe iollowin' is a specification. This invention relates to amethod of con- 10 structing a shipping case and particularly a fibershipping case. The most common fiber shipping'case used is the so-calledslotted shipping case, which is one made of a single blankwithrelatively large flaps on the end and side walls of the blank. Theselargeflaps form-four wings at the top and v f bottom of the case butthey are ordinarily wide enough so that the outer pair of aps whenfolded down overlap although in some 3 cases the] only 'meet. Thisconstructionof afiber s ippingcase requires considerable *materialas theinner flaps are usually comparativel wide, in fact, they are met as wideas t e outer pair of fla s. The inner heir a proxi-- mation of meetingeach other depen s altogether upon the length of the case as comparedwith the width. The longer the case compared with the width the lessnear meetin the end wall flaps come.

tisthe object of the present invention to 'afiord a method ofconstructing a fiber ship ing case which permits the use of blanliswhich materially lessen the fiber v board area required to make the boxand thereby resultsin a large saving in material where the shi pers reuirements runs into thousands of xes a ay.

-- The essence of the method is the simultaneous stitching of the endwalls on both ends, thereb verymaterially lessening the labor costlofqbnstructing the shipping case.

This makes' possible the realization in the ultimate fcost" of'the boxof the full saving resulting from the less material used. Were .itnecessary to separately stitch on the ends .of "the box the saving inmaterial would probably'be substantially offset by the increased cost inlabor in stitching the ends upon'the box.

Not only .does the broad process-comprise the simultaneous setting 0stitches at opof feeding the box the stitching heads. This makes the'operation a relatively easy one and an effective one, as will presentlybe shown.

. It has been thought advisable to illustrate this method in connectionwith the machine upon whichit is performed, although it will beunderstood thatf the method-itself is independent of the function of themachine and that the machine is :claimed in a copending application. Inthe drawings:

Fig. 1 is a plan view of a machine which may perform the method.

Fig. 2 is a front elevation of the machine, fragmentary in character. gy Y Fig. 3 is a side elevation of the machine. Fig. & is a perspectiveof blanks in connection with which the method may be used, showing thefirst double stitching operation. Fig. 5; is a sectional detail ,,takenon' the line 55 of Fig. 4. V Fig. 6 is a perspebtive'of the secondstitch- 1ng operation.

Fig. 7- is a perspective of the third stitch- ,ing' operation. a.

Fig. 8 is a cross section of a finished-box with the stitches numbered.This enumera- 't-ion of the stitches is the preferred order in blankshowing alternative .orders' in which I the stitches can be taken.

Referring to Fig. .2 the numerals 1 and .2

designate wire stitching hea'ds.- These wire stitching machines are nowcommonly used.

in connection with constructing fiber shipping cases and it will beunnecessary to show the details of the stitching head or explain these.S'ufiice itto say that theyare adapted to use a continuous length fflatcopper wire, cut this into suitable shoi'tlengths and drive the samedown. throughseveral layers of fiber board and clinch the same on :1.

suitable anvil to form a 'wirestitch er staple. Pro ect1ng rea-rwardlyfrom the stitching head is an arm a to whiehfis attached a long narrowanvil b that reachesjforward ,and is I lengt of the box. When the lengthof the.

I bolts that causes the anvil .to swing onthe-.piv'- otal point e.

These stitching heads face each other and are s 'aced apart from eachother nearly the box varies the pedestals f maybe moved to-. ward andfrom each other by loosening the These stitching heads are simulta neousy operated b power derived from the electric motor M w ich operatesthrough the transmission h and the telescoping transmission shaft i, thegears (not shown) in the transmisslon case posite stitching head 1. Y aAt the rear of the machine is a large pedestal k which supports a pairof channel bars These support blocks on which are journaled the rollersn; These rollers nJfit mto the channelled bars 0 that form the frame ofa sliding table 12. This sliding ta-' ble is provided at the front witha pair of ang e plates 9 that are overlapped and slotted at the front asat 1- to permit .their being adjusted in toward-each other or away fromeach other to accommodate them to boxes of varying lengths. These angleplates g constitute 'sort of an adjustable form to fit into the/insideof theblank as it is in the process of being madeup. These form platesare connected together at their sides by the telescoping rods andsleeves s and 1! respectively that are hung from the channel frame barso'by means of the hang ers'u. The sleeves t can be adjusted along thehangers by releasing the set screws 0.

a supporting surface for supporting the body blank of the shipping casethat lies on top of it in a manner shortly to be described.

Thefchannel barso of the table frame are connected together at the rearby the cross strip The long pull springs z are attache at one endto'this cross bar and run forward and are connected with the stationarybars m that form the support for the rollers n. The channel bars 0, theform or angle plates 9, and the supporting plates 1; constitute asliding table which can he slid forward and backward on the channel bars'0 and the supporting rollers n against the tension of'the spring 2. Y

Now'there is also supported above this table a pair of angle or guidebars 23 and'24. These are supported upon the rod-like elbows 25 whichare adjustable through the brackets 26 secured to the under side of thechannel bars m. These angle bars extend forward about as far as the rearof the arms a. Secured to their forward ends are a pair of divergingguide strips 27. These guide 7, connected with the opbars 23 and 24 inconjunction with the chan- .which the method may be used will be seen.

It comprises simply arectangular strip provided with scored lines whichform the bottom 28, the side walls 29'and. 30=and the sealing flaps 32and 33. The two end blanks comprise eacli a square or rectangular pieceof board with scored lines to form four shallow flaps 34, 35, 36 and 37.Fig. 9 shows these end blanks very nicely.- One end blank is providedwith a'double flap 34 for aiding in the sealing operation, which is nocon box. 4 v

The operators assistant gathers the body blank and two end blanks ontothe stationary skeleton frame-work at the rear of the machine. The bodyblank lies on'the skeleton work between the two side guide bars nedsolely to the construction of the ipartfof the present invention, whichis and the two end blanks lay loosely on top of The operator fits themain body blank on to the table, he grasps one of the end blanks in eachhand and holds them with the flaps 35 turned over and fitted onto theside wall of the body blank, as shown in Fig. 4. This he can do nicelywith the aid of the table.

which has the form plates 9 and the suporting plates on. Note that theanvil b lies I -etween these twosets of plates. Supported on the rodsand sleeves by stems 'w are apair of plates 00 intendedsimply as Now inthe specific method, which I pre fer to follow, the operator takes firstthe stitch 1 (seepl ig. 4); This serves to fasten the end blanks to thebody blank. Then the table is pushed to the rear, carrying with it theblanks until nearly the opposite end of the shallow flap 35 is reached.Thereupon the machine clutch (not shown) is operated to cause the stitch2 to be taken. Now. all

that is necessary to take the remaining stitches 3, 4, 5 and 6 is to letthe table itself return, being pulled back by .the springs a.

.locate the parts together); thereupon the whole table is given one longthrow forward and allowed to return solely by the spring power. This is,a very much easier operation for the operator than to attempt to push itrearward between each set of stitches.

Ri ht here it, will not.be out of the way to explain why it is necessarythat the two stitching heads act synchronously. It is the grabbing ofthe blank by the stitching heads when the driver comes down to drive thestaow if one head took effect before the other,

obviously the blank would'continue to travel on one side and wouldbecome cocked or' thrown a'wryis allowed to return the table and blanks.

and take the first. stitches 7 and then The'sccond step in the ,methodisto fold up the shallow flaps 36, as shown in Fig. (15, us 1 the tableand the blanks backwards, ta ing the stitches 8,9, 10, 11 and12 as thespring toward the operator. The same operation is repeated when theshallow flaps 37 are folded up on the. side 30 and the stitches 13,

in Fig. 10- the stitch 1 is taken the same as in the preferred orderalready described. However, the following stitches are taken by simplypushing the blank in against the tension of the spring. This, however,is more diflicult and not as satisfactary 'a method as that described asthe preferred form. In the order of stitchin shown in Fi 11, the blankis first pus ed in together with the table and the stitch 1 taken andthefollowin stitches taken in their regular order. T is method has thedisadvanta ferre order. of stitching by lacing the first stitch at therear end oft e blank it is much easier to handle theblanks. I havedescribed these several methods as being the general rocess which isintended to be claimed in this application. In the claims the termsfiber shippin case, wire stitching, etc., are use It will be understoodthat theseare words of description and not limitation, as there areobvious e uivalents, such as corrugated board' for her and rivets forwire stitches. It will alsobe understood that the flaps can be turnedunder instead of over and still come within my claims,'which s ecify theoverlapping of the fia s in orer to make the matter definite ut withintention of eliminating methods. 7 The term simultaneously is used inthe claims in the sense of substantially simultaneously. a

'What I claim is 1. The method of constructing a fiber case out of ascored body blank ,shi pin and en 'blanks with flaps, which consists inholding the and blanks so that each end that it is awkward. In the preofthe bod equivalent I the succeeding wall of the scored body blank andsimultaneously stitching said two flags to suchrwalh'and third, foldingthe b0 y blank and the end blanks to bring a third relation to thethirdsucceeding wall 0 the bod blank and simultaneously stitching the saipair of flaps to such third wall. of the body blank.

2. The method of constructing a shipping case, which comprises thecutting and scoring of a blank to format opposite ends the cover flapsandthree intervening walls constituting the two side walls and thebottom, cutting and scoring two separate blanks to form end walls, eachprovided with flaps on the various sides of the end wall blank, thesecuring of the end blanks to the bod blank by stitching one fiap ofeach end lank to the op osite ends of the body blank,

pair of flaps of the end walls in overlapped folding the bod blank andthe end blanks and stitching t e succeeding set of flaps of the endblanks to the o posite ends of the succeeding wall of the body blank andthen folding the body blank andthe end blanks and stitchingthesucceeding set of end blank flaps to the opposite ends of thesucceeding wall of the body blank.

3. The method of constructing a shippin case, comprising the cutting ofa body blank and the scoring of the same to form at oppositeends thecover flaps and three .intervening walls, the cutting and scoring of twoseparate end blanks to form the end walls and a plurality of flaps onthe various sides 0- the ends, and the stitching of the endblanks to thebody blank by setting one set of end flaps at opposite ends of the samewall of the body blank and simultaneously stitching folding of thesucceeding set ofend flaps and the body blank to bring such succeedingset of end flaps into overlapped relation at opposite ends of thesucceeding wall blank, and the simultaneous stitching 0 said flaps. tothe body blank, and third, the folding of the body blank set-of endflaps in' overlapped relation at them thereto, the

and the end blanks to bring the succeeding opposite ends of thesucceeding. wall of the body blank to simultaneously, stitch themthereto to complete the case;

4. The method of constructing a shipping case which comprises thecutting and scoring of a blankto form at opposite ends and relativelyshallow flaps onfour sides shipping case from body blanks scored to ofthe end, and the unitin blanks and the body blank an matching thecorresponding flaps of the two end blanks to opposite ends of one oftheside walls and stitching them to such side walls by.

simultaneously driven stitches, then matching the succeeding set ofcorresponding shallow flaps to the bottom wall and uniting the samethereto by simultaneously driven stitches, and thirdly, uniting thesucceeding v set of corresponding flaps to the second side wall bysimultaneously drivenstitches.

shipping case, which consists in cutting and scoring a blank to provideat opposite ends the two cover flaps with an intervening bottom wall andsidewalls, the cutting and scoring of two separate and blanks to formthe end body and shallow flaps onthe four sides of' th e end wall, thestitching of the corresponding end flaps of the two end blanks toopposite ends ofone sidewall of the body blank, then the folding ofthebody blank and the end blanks and the lapping of the succeeding set ofshallow flaps of the end blanks over the bottom wall of the body blankand stitching such flaps thereto, then the folding of the body blank andthe end wall blanks to bring the third set of end wall flaps over thesecond side wall of the body .blank andstitching the same thereto tocomplete the case.

6. The sub-method in constructing a fiber provide side and bottom wallsand cover flaps, and end blanks provided with shallow flaps on theirsides, which consists in fold ing the corresponding flaps of the two endblanks over the opposite ends of the same wall of the body blank,simultaneously taking two stitches, one through each endwall flap andthe body blank at the endof'the flaps removed from the operator, thenpushing the fastened-together blanks away from the operator andsimultaneously stitching the remaining portions of the flaps begin ningat the end of the flaps next to the oper-, ator and stitching backtoward the set ofstitches first taken.

. shipping case of a body blank scored to j 7. The sub-method inconstructing a fiber form three intermediate walls and cover flaps atopposite ends of the blank and two against the resistance of powertending to force the'blanks toward the operator and of the end endblanks at the end of,one side wall of '5. The method of constructing afiber the bottom wall perpendicularly to the sucthe body blank with-oneof said securing flaps at each end overlying the adjacent blank, 'orblanks and simultaneously stitching su'ch flaps to such-blankor.:blanks, then secondly folding the body blank to bring ceeding edgesof the end blanks and folding the'next pair of flaps over the adjacentper- 'pendicularly placed blank or blanks and simultaneously stitchingsaid two flaps to such adjacent blank or blanks, and. third folding thebody blank to'bring the other side wall perpendicularly to the endblanks at third set of edges and the folding of the I third set ofsecuring flaps over the adjacent blank or blanksand simultaneouslystitching the said pair of flaps to such blank or blanks. 1 i

9. The method of const cting a shipping case which comprises the-cu tingand scoring of a blank to form at the opposite ends the cover flaps andintervening thereof three walls constituting the two side walls and thebottom of the case, then cutting and scoring two end blanks to the endsof the bottom wall by folding over the succeeding pair 0 J 6 securingflaps and simultaneously stitching them to the adjacent blank structure,and finally the folding of the body blank to bring the other side wallperpendicular with the end blanks and securing the end blanks thereto bysimultaneously stitching the remaining pair of securing flaps-to theadjacent blank structure to complete the assembly.

10. The sub-method in constructing a fiber shipping case from a bodyblank scored to provide side and bottom walls and end blanks, saidblanks being rovided with securin flaps for securing t e end blanks andb0 y blank together; which submethod 130 rams consists in folding overthe securing flaps on the ad'aoent blank,'simultaneously taking twostitces one'through each flap and the underlying blank at the end of the flapremoved from the. operator, then pushing the fastened together blanksaway from the operator and simultaneously stitching the rema' ,portionsof the flaps beginning at the en of the flaps next to the operator andstitching back toward theset of stitches first taken.

In testimony whereof I aflix my signature.

HERBERT R. BLISS.

